#Watches A completely new jewel shines on the area of the sea: for the first time, the Yacht-Learn 42 is offered in yellow gold – an encouraged and original refinement towards the emblematic sailing timepiece that in no way alters its course. Oyster Perpetual Datejust 31 Crafted by Swiss watchmaker https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/